One in every ten people have dyslexia.
Aside from having it rough trying to read traditional print material like books and newspapers, dyslexics also often have a hard time processing web pages because most of the content are usually text-based.
(One symptom of Dyslexia is the rotation of the images being looked at.)
Open Dyslexic offers their open source Open Dyslexic Font for free download here.
And they have their Dyslexia friendly web browser, OpenWeb available in the IOS app store for iPad, iPhone, and Ipod touch.
Hope this helps, say, one in ten of you…